Perhaps you should try some spelling variations:
"international barley variety" » "international early variety", "international parle variety", "international halley variety"
"international easy variety" » "international east variety", "international early variety", "international eai variety", "international vast variety", "international das variety", "international each variety"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international barley variety\") OR (\"international easy variety\"))".
• Removing quotes may allow a broader search: (( international barley variety ) OR ( international easy variety )).
• Adding a wildcard symbol may retrieve word variants: (("international barley variety") OR ("international easy variety"))*.